-/*\r
- * Copyright (C) 2001, 2002 The Mir-coders group\r
- *\r
- * This file is part of Mir.\r
- *\r
- * Mir is free software; you can redistribute it and/or modify\r
- * it under the terms of the GNU General Public License as published by\r
- * the Free Software Foundation; either version 2 of the License, or\r
- * (at your option) any later version.\r
- *\r
- * Mir is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License\r
- * along with Mir; if not, write to the Free Software\r
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r
- *\r
- * In addition, as a special exception, The Mir-coders gives permission to link\r
- * the code of this program with any library licensed under the Apache Software License,\r
- * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library\r
- * (or with modified versions of the above that use the same license as the above),\r
- * and distribute linked combinations including the two. You must obey the\r
- * GNU General Public License in all respects for all of the code used other than\r
- * the above mentioned libraries. If you modify this file, you may extend this\r
- * exception to your version of the file, but you are not obligated to do so.\r
- * If you do not wish to do so, delete this exception statement from your version.\r
- */\r
-package mir.util;\r
-\r
-import gnu.regexp.RE;\r
-import gnu.regexp.REException;\r
-\r
-import java.util.List;\r
-import java.util.Vector;\r
-\r
-public class StringRoutines {\r
-\r
- private StringRoutines() {\r
- }\r
-\r
- public static int indexOfCharacters(String aString, char[] aCharacters, int aFrom) {\r
- int i;\r
- int result=-1;\r
- int position;\r
-\r
- for (i=0; i<aCharacters.length ; i++) {\r
- position = aString.indexOf(aCharacters[i], aFrom);\r
-\r
- if (position != -1 && ( result == -1 || position < result )) {\r
- result = position;\r
- }\r
- }\r
-\r
- return result;\r
- }\r
-\r
- public static String replaceStringCharacters(String aText, char[] aCharactersToReplace, String[] aStringsToSubstitute) {\r
- if (aText==null)\r
- return null;\r
-\r
- int position, nextPosition;\r
- int i;\r
- StringBuffer result = new StringBuffer();\r
-\r
- position=0;\r
- do {\r
- nextPosition = StringRoutines.indexOfCharacters(aText, aCharactersToReplace, position);\r
-\r
- if (nextPosition<0)\r
- nextPosition = aText.length();\r
-\r
- result.append(aText.substring(position, nextPosition));\r
-\r
- if (nextPosition<aText.length())\r
- for (i=0; i<aCharactersToReplace.length; i++) {\r
- if (aCharactersToReplace[i] == aText.charAt(nextPosition)) {\r
- result.append(aStringsToSubstitute[i]);\r
- break;\r
- }\r
- }\r
- position=nextPosition+1;\r
- }\r
- while (nextPosition<aText.length()) ;\r
-\r
- return result.toString();\r
- }\r
- /**\r
- *\r
- * @param aText\r
- * @param anEscapeCharacater\r
- * @param aCharactersToReplace\r
- * @param aStringsToSubstitute\r
- * @return\r
- */\r
-\r
- public static String replaceEscapedStringCharacters(String aText, char anEscapeCharacter, char[] aCharactersToReplace, String[] aStringsToSubstitute) {\r
- if (aText==null)\r
- return null;\r
-\r
- int position, nextPosition;\r
- int i;\r
- StringBuffer result = new StringBuffer();\r
-\r
- position=0;\r
- do {\r
- nextPosition = aText.indexOf(anEscapeCharacter, position);\r
-\r
- if (nextPosition<0)\r
- nextPosition = aText.length();\r
-\r
- result.append(aText.substring(position, nextPosition));\r
-\r
- if (nextPosition+1<aText.length()) {\r
- nextPosition = nextPosition+1;\r
-\r
- boolean found = false;\r
- for (i = 0; i < aCharactersToReplace.length; i++) {\r
- if (aCharactersToReplace[i] == aText.charAt(nextPosition)) {\r
- result.append(aStringsToSubstitute[i]);\r
- found=true;\r
- break;\r
- }\r
- }\r
-\r
- if (!found) {\r
- result.append(aText.charAt(nextPosition));\r
- }\r
- }\r
- position=nextPosition+1;\r
- }\r
- while (nextPosition<aText.length()) ;\r
-\r
- return result.toString();\r
- }\r
-\r
- public static String interpretAsString(Object aValue) throws Exception {\r
- if (aValue instanceof String)\r
- return (String) aValue;\r
-\r
- if (aValue instanceof Integer)\r
- return ((Integer) aValue).toString();\r
-\r
- if (aValue == null)\r
- return "";\r
-\r
- throw new Exception("String expected, "+aValue+" found");\r
- }\r
-\r
- public static int interpretAsInteger(Object aValue) throws Exception {\r
- if (aValue instanceof Integer)\r
- return ((Integer) aValue).intValue();\r
-\r
- if (aValue instanceof String)\r
- try {\r
- return Integer.parseInt((String) aValue);\r
- }\r
- catch (Throwable t) {\r
- throw new Exception("Integer expected, "+aValue+" found");\r
- }\r
-\r
- throw new Exception("Integer expected, "+aValue+" found");\r
- }\r
-\r
- /**\r
- *\r
- * @param aSource\r
- * @param aSearchExpression\r
- * @param aReplacement\r
- * @return\r
- * @throws Exception\r
- */\r
- public static String performRegularExpressionReplacement(String aSource,\r
- String aSearchExpression, String aReplacement) throws UtilExc {\r
- try {\r
- RE regularExpression;\r
-\r
- regularExpression = new RE(aSearchExpression);\r
-\r
- return regularExpression.substituteAll(aSource, aReplacement);\r
- }\r
- catch (Throwable t) {\r
- throw new UtilFailure("StringRoutines.performRegularExpressionReplacement: " + t.toString(), t);\r
- }\r
- }\r
-\r
- public static String performCaseInsensitiveRegularExpressionReplacement(String aSource,\r
- String aSearchExpression, String aReplacement) throws UtilExc {\r
- try {\r
- RE regularExpression;\r
-\r
- regularExpression = new RE(aSearchExpression, RE.REG_ICASE);\r
-\r
- return regularExpression.substituteAll(aSource, aReplacement);\r
- }\r
- catch (Throwable t) {\r
- throw new UtilFailure("StringRoutines.performRegularExpressionReplacement: " + t.toString(), t);\r
- }\r
- }\r
-\r
- /**\r
- *\r
- * @param aSource\r
- * @param aSearchExpression\r
- * @return\r
- * @throws REException\r
- */\r
- public static boolean performRegularExpressionSearch(String aSource,\r
- String aSearchExpression) throws UtilExc {\r
- try {\r
- RE regularExpression;\r
-\r
- regularExpression = new RE(aSearchExpression);\r
-\r
- return regularExpression.isMatch(aSource);\r
- }\r
- catch (Throwable t) {\r
- throw new UtilFailure("StringRoutines.performRegularExpressionSearch: " + t.toString(), t);\r
- }\r
- }\r
-\r
- /**\r
- * Separates a string based on a separator:\r
- * <code>seperateString("a:b:c", ":");</code> will lead to\r
- * a List with 3 Strings: <code>"a"</code>, <code>"b"</code> and <code>"c"</code>\r
- *\r
- * @param aString The string to split\r
- * @param aSeparator\r
- * @return\r
- */\r
-\r
- public static List splitString(String aString, String aSeparator) {\r
- List result= new Vector();\r
- int previousPosition = 0;\r
- int position;\r
- int endOfNamePosition;\r
-\r
- if (aString!=null) {\r
- while ( (position = aString.indexOf(aSeparator, previousPosition)) >= 0) {\r
- result.add(aString.substring(previousPosition, position));\r
- previousPosition = position + aSeparator.length();\r
- }\r
- result.add(aString.substring(previousPosition, aString.length()));\r
- }\r
-\r
- return result;\r
- }\r
-\r
- /**\r
- * Separates a String into at most 2 parts based on a separator:\r
- * <ul>\r
- * <li>\r
- * <code>seperateString("a:b:c", ":");</code> will lead to\r
- * a List with 2 Strings: <code>"a"</code> and <code>"b:c"</code>\r
- * <li>\r
- * <code>seperateString("abc", ":");</code> will lead to\r
- * a List with a single String: <code>"abc"</code>\r
- * </ul>\r
- *\r
- *\r
- * @param aString\r
- * @param aSeparator\r
- * @return\r
- */\r
- public static List separateString(String aString, String aSeparator) {\r
- List result= new Vector();\r
- int previousPosition = 0;\r
- int position;\r
-\r
- if((position = aString.indexOf(aSeparator, previousPosition))>=0) {\r
- result.add(aString.substring(previousPosition, position));\r
- previousPosition = position + aSeparator.length();\r
- }\r
-\r
- result.add(aString.substring(previousPosition, aString.length()));\r
-\r
- return result;\r
- }\r
-\r
- public static List splitStringWithEscape(String aString, char aSeparator, char anEscape) {\r
- List result= new Vector();\r
- int previousPosition = 0;\r
- int position;\r
- int endOfNamePosition;\r
- StringBuffer currentItem = new StringBuffer();\r
-\r
- if (aString!=null) {\r
- while ((position = indexOfCharacters(aString, new char[] {aSeparator, anEscape}, previousPosition))>=0) {\r
- currentItem.append(aString.substring(previousPosition, position));\r
-\r
- if (aString.charAt(position)==aSeparator) {\r
- result.add(currentItem.toString());\r
- currentItem.delete(0, currentItem.length());\r
- }\r
- else {\r
- currentItem.append(aString.charAt(position));\r
- if (aString.length()>position+1) {\r
- position=position+1;\r
- currentItem.append(aString.charAt(position));\r
- }\r
- }\r
- previousPosition = position + 1;\r
- }\r
- currentItem.append(aString.substring(previousPosition, aString.length()));\r
- result.add(currentItem.toString());\r
- }\r
-\r
- return result;\r
- }\r
-\r
- public static String replicateString(String aString, int aCount) {\r
- StringBuffer result = new StringBuffer();\r
-\r
- for (int i=0; i<aCount; i++)\r
- result.append(aString);\r
-\r
- return result.toString();\r
- }\r
-\r
- public static String replicateChar(char aCharacter, int aCount) {\r
- char result[] = new char[aCount];\r
-\r
- for (int i=0; i<aCount; i++)\r
- result[i]= aCharacter;\r
-\r
- return new String(result);\r
- }\r
-\r
- public static String padStringLeft(String aString, int aLength, char aPadCharacter) {\r
- if (aString.length()<aLength)\r
- return replicateChar(aPadCharacter, aLength-aString.length()) + aString;\r
- else\r
- return aString;\r
- }\r
-\r
- private static final char HEX_CHARACTERS[] = {\r
- '0', '1', '2', '3', '4', '5', '6', '7',\r
- '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'\r
- };\r
-\r
- public static String convertToHex(long aData, int aNumberOfDigits) {\r
- StringBuffer result = new StringBuffer();\r
-\r
- for (int digit = aNumberOfDigits-1; digit>=0; digit--) {\r
- int value = (int) (aData >> (digit*4)) & 0xf;\r
- result.append(HEX_CHARACTERS[value]);\r
- }\r
-\r
- return result.toString();\r
- }\r
-\r
- public static String convertToHex(byte[] aData) {\r
- StringBuffer result = new StringBuffer();\r
-\r
- for (int i = 0; i<aData.length; i++) {\r
- result.append(convertToHex(aData[i], 2));\r
-\r
- }\r
-\r
- return result.toString();\r
- }\r
-}\r
+/*
+ * Copyright (C) 2001, 2002 The Mir-coders group
+ *
+ * This file is part of Mir.
+ *
+ * Mir is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Mir is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Mir; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * In addition, as a special exception, The Mir-coders gives permission to link
+ * the code of this program with any library licensed under the Apache Software License,
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
+ * (or with modified versions of the above that use the same license as the above),
+ * and distribute linked combinations including the two. You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries. If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
+ * If you do not wish to do so, delete this exception statement from your version.
+ */
+package mir.util;
+
+import org.apache.oro.text.regex.*;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class StringRoutines {
+
+ private StringRoutines() {
+ }
+
+ public static int indexOfCharacters(String aString, char[] aCharacters, int aFrom) {
+ int i;
+ int result=-1;
+ int position;
+
+ for (i=0; i<aCharacters.length ; i++) {
+ position = aString.indexOf(aCharacters[i], aFrom);
+
+ if (position != -1 && ( result == -1 || position < result )) {
+ result = position;
+ }
+ }
+
+ return result;
+ }
+
+ public static String replaceStringCharacters(String aText, char[] aCharactersToReplace, String[] aStringsToSubstitute) {
+ if (aText==null)
+ return null;
+
+ int position, nextPosition;
+ int i;
+ StringBuffer result = new StringBuffer();
+
+ position=0;
+ do {
+ nextPosition = StringRoutines.indexOfCharacters(aText, aCharactersToReplace, position);
+
+ if (nextPosition<0)
+ nextPosition = aText.length();
+
+ result.append(aText.substring(position, nextPosition));
+
+ if (nextPosition<aText.length())
+ for (i=0; i<aCharactersToReplace.length; i++) {
+ if (aCharactersToReplace[i] == aText.charAt(nextPosition)) {
+ result.append(aStringsToSubstitute[i]);
+ break;
+ }
+ }
+ position=nextPosition+1;
+ }
+ while (nextPosition<aText.length()) ;
+
+ return result.toString();
+ }
+
+ public static String replaceEscapedStringCharacters(String aText, char anEscapeCharacter, char[] aCharactersToReplace, String[] aStringsToSubstitute) {
+ if (aText==null)
+ return null;
+
+ int position, nextPosition;
+ int i;
+ StringBuffer result = new StringBuffer();
+
+ position=0;
+ do {
+ nextPosition = aText.indexOf(anEscapeCharacter, position);
+
+ if (nextPosition<0)
+ nextPosition = aText.length();
+
+ result.append(aText.substring(position, nextPosition));
+
+ if (nextPosition+1<aText.length()) {
+ nextPosition = nextPosition+1;
+
+ boolean found = false;
+ for (i = 0; i < aCharactersToReplace.length; i++) {
+ if (aCharactersToReplace[i] == aText.charAt(nextPosition)) {
+ result.append(aStringsToSubstitute[i]);
+ found=true;
+ break;
+ }
+ }
+
+ if (!found) {
+ result.append(aText.charAt(nextPosition));
+ }
+ }
+ position=nextPosition+1;
+ }
+ while (nextPosition<aText.length()) ;
+
+ return result.toString();
+ }
+
+ public static String interpretAsString(Object aValue) throws Exception {
+ if (aValue instanceof String)
+ return (String) aValue;
+
+ if (aValue instanceof Integer)
+ return aValue.toString();
+
+ if (aValue == null)
+ return "";
+
+ throw new Exception("String expected, "+aValue+" found");
+ }
+
+ public static int interpretAsInteger(Object aValue) throws Exception {
+ if (aValue instanceof Integer)
+ return ((Integer) aValue).intValue();
+
+ if (aValue instanceof String)
+ try {
+ return Integer.parseInt((String) aValue);
+ }
+ catch (Throwable t) {
+ throw new Exception("Integer expected, "+aValue+" found");
+ }
+
+ throw new Exception("Integer expected, "+aValue+" found");
+ }
+
+ public static String performRegularExpressionReplacement(String aSource, String aSearchExpression, String aReplacement) {
+ try {
+ Pattern pattern = new Perl5Compiler().compile(aSearchExpression);
+
+ return Util.substitute(
+ new Perl5Matcher(), pattern, new Perl5Substitution(aReplacement), aSource, Util.SUBSTITUTE_ALL);
+ }
+ catch (MalformedPatternException t) {
+ throw new UtilFailure("Invalid regular expression", t);
+ }
+ }
+
+ /**
+ * Separates a string based on a separator:
+ * <code>seperateString("a:b:c", ":");</code> will lead to
+ * a List with 3 Strings: <code>"a"</code>, <code>"b"</code> and <code>"c"</code>
+ *
+ * @param aString The string to split
+ * @param aSeparator
+ * @return
+ */
+
+ public static List splitString(String aString, String aSeparator) {
+ List result= new ArrayList();
+ int previousPosition = 0;
+ int position;
+
+ if (aString!=null) {
+ while ( (position = aString.indexOf(aSeparator, previousPosition)) >= 0) {
+ result.add(aString.substring(previousPosition, position));
+ previousPosition = position + aSeparator.length();
+ }
+ result.add(aString.substring(previousPosition, aString.length()));
+ }
+
+ return result;
+ }
+
+ /**
+ * Separates a String into at most 2 parts based on a separator:
+ * <ul>
+ * <li>
+ * <code>seperateString("a:b:c", ":");</code> will lead to
+ * a List with 2 Strings: <code>"a"</code> and <code>"b:c"</code>
+ * <li>
+ * <code>seperateString("abc", ":");</code> will lead to
+ * a List with a single String: <code>"abc"</code>
+ * </ul>
+ *
+ *
+ * @param aString
+ * @param aSeparator
+ * @return
+ */
+ public static List separateString(String aString, String aSeparator) {
+ List result= new ArrayList();
+ int previousPosition = 0;
+ int position;
+
+ if((position = aString.indexOf(aSeparator, previousPosition))>=0) {
+ result.add(aString.substring(previousPosition, position));
+ previousPosition = position + aSeparator.length();
+ }
+
+ result.add(aString.substring(previousPosition, aString.length()));
+
+ return result;
+ }
+
+ /**
+ * Separates a string based on a separator, taking into account an escape character:
+ * <code>seperateString("a:/::b", ":", "/");</code> will lead to
+ * a List with 3 Strings: <code>"a"</code>, <code>":"</code> and <code>"b"</code>
+ *
+ * @param aString The string to split
+ * @param aSeparator
+ * @return
+ */
+
+ public static List splitStringWithEscape(String aString, char aSeparator, char anEscape) {
+ List result= new ArrayList();
+ int previousPosition = 0;
+ int position;
+
+ StringBuffer currentItem = new StringBuffer();
+
+ if (aString!=null && aString.length()>0) {
+ while ((position = indexOfCharacters(aString, new char[] {aSeparator, anEscape}, previousPosition))>=0) {
+ currentItem.append(aString.substring(previousPosition, position));
+
+ if (aString.charAt(position)==aSeparator) {
+ result.add(currentItem.toString());
+ currentItem.delete(0, currentItem.length());
+ }
+ else {
+ if (aString.length()>position+1) {
+ position=position+1;
+ currentItem.append(aString.charAt(position));
+ }
+ else {
+ currentItem.append(aString.charAt(position));
+ }
+ }
+ previousPosition = position + 1;
+ }
+ currentItem.append(aString.substring(previousPosition, aString.length()));
+ result.add(currentItem.toString());
+ }
+
+ return result;
+ }
+
+ public static String replicateString(String aString, int aCount) {
+ StringBuffer result = new StringBuffer();
+
+ for (int i=0; i<aCount; i++)
+ result.append(aString);
+
+ return result.toString();
+ }
+
+ public static String replicateChar(char aCharacter, int aCount) {
+ char result[] = new char[aCount];
+
+ for (int i=0; i<aCount; i++)
+ result[i]= aCharacter;
+
+ return new String(result);
+ }
+
+ public static String padStringLeft(String aString, int aLength, char aPadCharacter) {
+ if (aString.length()<aLength)
+ return replicateChar(aPadCharacter, aLength-aString.length()) + aString;
+ return aString;
+ }
+
+ private static final char HEX_CHARACTERS[] = {
+ '0', '1', '2', '3', '4', '5', '6', '7',
+ '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'
+ };
+
+ public static String convertToHex(long aData, int aNumberOfDigits) {
+ StringBuffer result = new StringBuffer();
+
+ for (int digit = aNumberOfDigits-1; digit>=0; digit--) {
+ int value = (int) (aData >> (digit*4)) & 0xf;
+ result.append(HEX_CHARACTERS[value]);
+ }
+
+ return result.toString();
+ }
+
+ public static String convertToHex(byte[] aData) {
+ StringBuffer result = new StringBuffer();
+
+ for (int i = 0; i<aData.length; i++) {
+ result.append(convertToHex(aData[i], 2));
+
+ }
+
+ return result.toString();
+ }
+}